Identification and activity of ethyl gallate as an antimicrobial compound produced by geranium carolinianum

Atsushi Ooshiro, Syuntaro Hiradate, Shinji Kawano, Tetsuya Takushi, Yoshiharu Fujii, Masahiro Natsume, Hiroshi Abe

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

We isolated an antimicrobial compound from the aerial tissue of Geranium carolinianum and identified it as ethyl 3, 4, 5-trihydroxy benzoate (ethyl gallate) by 1H-NMR and 13C-NMR and gas chromatography-mass spectrometry. The antimicrobial activity of ethyl gallate against three potato pathogens was assayed by the paper disk method. The activity against Ralstonia solanacerum, Streptomyces scabies, and Streptomyces acidiscabies was observed at concentrations >200, >300, and >300 μg disk -1, respectively. These results suggest that the antimicrobial activity of Geranium carolinianum against soil-borne plant disease pathogens is partly related to ethyl gallate.

Original languageEnglish
Pages (from-to)169-172
Number of pages4
JournalWeed Biology and Management
Volume9
Issue number2
DOIs
Publication statusPublished - Jun 1 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science

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